Latest Sensors Technical Articles

Learn how to use analog I/O devices with AutomationDirect’s Productivity series of PLCs and Productivity Suite…

Learn how to use analog I/O devices with AutomationDirect’s Productivity series of PLCs and Productivity Suite software. Wiring, configuring I/O, and programming will be a part of this tutorial.

Learn how to measure temperature using an RTD and a temperature transmitter to convert resistance into common analog…

Learn how to measure temperature using an RTD and a temperature transmitter to convert resistance into common analog voltage or current values for process control.

Installing sensors into a manufacturing process is intended to collect data, useful in making logical true/false…

Installing sensors into a manufacturing process is intended to collect data, useful in making logical true/false decisions. But what settings must be adjusted when you install these sensors?

Many sensors, like prox, optical, and ultrasonic, are familiar to control engineers. More and more modern devices are…

Many sensors, like prox, optical, and ultrasonic, are familiar to control engineers. More and more modern devices are incorporating advanced motion profiles requiring motion sensing in many axes.

In order to trace control system problems to the core, the ability to read and interpret various resources, from…

In order to trace control system problems to the core, the ability to read and interpret various resources, from facility-level diagrams to machine-level wiring layouts, is critical.

Converting different numbering systems is quite common in PLCs and structured text codes. Why? Because people read…

Converting different numbering systems is quite common in PLCs and structured text codes. Why? Because people read decimals. Computers read binary. Processors read sets of bits. Not so simple.

A complete diagram for wiring nearly any kind of discrete I/O module, including digital, AC, or relay, including both…

A complete diagram for wiring nearly any kind of discrete I/O module, including digital, AC, or relay, including both sourcing and sinking varieties.

We begin to wrap up our data flow project with an introduction to visual-based (GUI) tools and dashboards to present the…

We begin to wrap up our data flow project with an introduction to visual-based (GUI) tools and dashboards to present the data ingested from the Google Sheets fault data source.

In this article, we will explore real-world considerations for strain gauge performance and typical applications. We’ll…

In this article, we will explore real-world considerations for strain gauge performance and typical applications. We’ll be talking about foil and wire strain gauges, but ignoring semiconductors.

For being no more than a thin piece of metal, the strain gauge is a versatile measurement tool, from small switches to…

For being no more than a thin piece of metal, the strain gauge is a versatile measurement tool, from small switches to multi-ton machines. In this article, learn the operating principles and properties.

When inputs or outputs stop working, the equipment fails to respond and money starts slipping away. Dive into the concept…

When inputs or outputs stop working, the equipment fails to respond and money starts slipping away. Dive into the concept of troubleshooting I/O without ever opening the PLC software.

All of modern industry relies on data. In the first installment of a series showcasing the importance of industrial data…

All of modern industry relies on data. In the first installment of a series showcasing the importance of industrial data movement, we explain the challenge of data flow and build a fault list.

Power systems rely on meaningful data, as do most other processes. Within SCADA environments, individual data points are…

Power systems rely on meaningful data, as do most other processes. Within SCADA environments, individual data points are tracked, compared to limits, and evaluated to obtain current readings.

This article will explore the setup of Node-RED, the glue that will serve to connect all of the individual components of…

This article will explore the setup of Node-RED, the glue that will serve to connect all of the individual components of the solution that we have created up to this point.

Now that our IIoT project has verified the transmission of an MQTT data payload packet, this next article will explore…

Now that our IIoT project has verified the transmission of an MQTT data payload packet, this next article will explore the setup of an InfluxDB database to store the incoming sensor data.

When troubleshooting AC outputs driven by TRIACs, some confusing meter readings can result from the solid state…

When troubleshooting AC outputs driven by TRIACs, some confusing meter readings can result from the solid state properties of a series circuit. In this article, learn proper troubleshooting techniques.

Learn to develop an actual IoT solution end to end. Create a Mosquitto MQTT broker for the Raspberry Pi client in order…

Learn to develop an actual IoT solution end to end. Create a Mosquitto MQTT broker for the Raspberry Pi client in order to connect and publish Sense HAT sensor data.

Learn to develop an actual IoT solution end to end. This second article explains configuration files, testing the edge…

Learn to develop an actual IoT solution end to end. This second article explains configuration files, testing the edge device publisher script, and viewing the payload using a sandbox subscriber script.

Every so often, a new data format comes along, and we first consider that it might simply be a mistake in typing. Pulse…

Every so often, a new data format comes along, and we first consider that it might simply be a mistake in typing. Pulse Frequency Modulation (PFM) is not brand new, but still unknown to many engineers.